Rename fetch layout tests.

LayoutTests/http/tests/fetch/resources/fetch-access-control-iframe.html

Index: LayoutTests/http/tests/fetch/resources/fetch-access-control-iframe.html
diff --git a/LayoutTests/http/tests/fetch/resources/fetch-access-control-iframe.html b/LayoutTests/http/tests/fetch/resources/fetch-access-control-iframe.html
deleted file mode 100644
index 6a6c0b4f905b05d514cba75e7076b31c861619c3..0000000000000000000000000000000000000000
--- a/LayoutTests/http/tests/fetch/resources/fetch-access-control-iframe.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<script src = "fetch-test-options.js"></script>
-<script src = "fetch-access-control-util.js"></script>
-<script>
-function onMessage(event) {
-  var script = document.createElement('script');
-  script.src = event.data.url;
-  script.addEventListener(
-    'error',
-    function() { report({jsonpResult:'error'}); });
-  document.body.appendChild(script);
-}
-function report(data) {
-  window.parent.postMessage(
-    data,
-    BASE_ORIGIN);
-}
-function onload() {
-  window.addEventListener('message', onMessage, false);
-}
-window.addEventListener('load', onload);
-</script>